Mental Math Worksheet
Recommended for 1st Grade — 5th Grade
Mental Math Worksheet
Name: ____________________Date: ____________
Instructions: Using mental strategies like making ten, doubling, and compensation to compute quickly.
20 problems
21 − 10 = ______
73 + 20 = ______
84 − 10 = ______
5 × 10 = ______
81 − 10 = ______
9 × 10 = ______
8 × 10 = ______
7 × 10 = ______
66 − 10 = ______
24 − 10 = ______
76 + 20 = ______
29 + 10 = ______
46 + 20 = ______
94 − 10 = ______
82 + 20 = ______
76 − 10 = ______
3 × 10 = ______
54 + 10 = ______
45 + 10 = ______
82 − 10 = ______
